London School of Hygiene & Tropical Medicine, London, United KingdomZambart, University of Zambia, Lusaka, ZambiaHealth Systems TrustKNCV Tuberculosis Foundation, The Hague, NetherlandsImperial College, London, United KingdomLondon School of Economics, London, United KingdomUniversity of Sheffield, Sheffield, United KingdomDelft ImagingQIAGENThe Union